Dual mode transmitter

Details Dual mode transmitter Dual mode transmitter

1995-11-13

1998-06-23

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Convertible to different type

455553, 455102, 455110, 455118, 455318, 375216, 332119, 332123, H04B 102

Patent

active

057714428

ABSTRACT:
In a dual mode transmitter for modulating, in a digital mode, an input digital signal and transmitting a modulated digital signal and modulating, in an analog mode, an input analog signal and transmitting a modulated analog signal, a digital modulating section modulates the input digital signal to thereby generate the modulated digital signal, and outputs the modulated digital signal. An analog modulator/carrier generator modulates the input analog signal to thereby generate the modulated analog signal, and outputs it. Also, the analog modulator/carrier generator generates a carrier signal for up-converting the modulated digital signal. The up-converter up-converts, in the digital mode, the modulated digital signal by using the carrier signal and receives, in the analog mode, the modulated analog signal and passes it therethrough.

REFERENCES:
patent: 5020076 (1991-05-01), Cahill et al.
patent: 5020093 (1991-05-01), Pireh
patent: 5179360 (1993-01-01), Suzuki
patent: 5228074 (1993-07-01), Mizikovsky
patent: 5251232 (1993-10-01), Nonami
patent: 5309429 (1994-05-01), Fukuda
patent: 5483696 (1996-01-01), Wheatley, III et al.

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